Inventor

FERRARINI ZELIO

US4 patents

⚠️ This page may combine multiple inventors who share the name “FERRARINI ZELIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMTAB MFG CORP

2 patents

USD644742SSep 6, 2011

Choral riser

AMTAB MFG CORP6 citations71

US8782958B2Jul 22, 2014

Mobile folding choral riser with high-speed cylinder lift-assist mechanism and partially independent back railing linkage

AMTAB MFG CORP3 citations60

RIVERA JR JEREMIAS C

2 patents

US8413384B2Apr 9, 2013

Mobile folding choral riser with high-speed cylinder lift-assist mechanism and partially independent back railing linkage

RIVERA JR JEREMIAS C2 citations60

USD660025SMay 22, 2012

Mobile convertible bench

RIVERA JR JEREMIAS C3 citations60